P0223 2016 GMC Sierra Code - Throttle Position Sensor 2 Circuit High Voltage
Quick Answer
The Throttle Body Assembly contains a contact-less inductive throttle position sensing element that is managed by a customized integrated circuit. Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0223 2016 GMC Sierra indicates Throttle Position Sensor 2 Circuit High Voltage.
- Common causes
- Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0223 2016 GMC Sierra Description
What are the Possible Causes of the DTC P0223 2016 GMC Sierra?
- Faulty Throttle Body Assembly
- Throttle Body Assembly harness is open or shorted
- Throttle Body Assembly circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0223 2016 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0223 2016 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0223 2016 GMC Sierra Code
1. What does the OBDII code P0223 mean on a 2016 GMC Sierra?
P0223 indicates a high voltage issue in the Throttle Position Sensor (TPS) 2 circuit, which monitors the position of the throttle plate.
2. What are the common symptoms of a P0223 code in a GMC Sierra?
Symptoms may include poor acceleration, surging or stalling, reduced engine power mode (limp mode), rough idling, and an illuminated check engine light.
3. What causes the P0223 code to appear in a 2016 GMC Sierra?
Possible causes include a faulty throttle position sensor, damaged or corroded wiring, a malfunctioning throttle body, or issues with the engine control module (ECM).
4. Can I drive my 2016 GMC Sierra with a P0223 code?
It is not recommended to drive for long with this code since it can lead to unpredictable throttle response and reduced power, which may compromise safety.
5. How do I diagnose a P0223 code in my GMC Sierra?
Start by checking the throttle position sensor and its wiring for damage or loose connections, then use a multimeter to test voltage levels in the circuit.
6. How do I fix the P0223 code on a 2016 GMC Sierra?
Repairs may involve replacing the throttle position sensor, repairing damaged wiring, cleaning the throttle body, or reprogramming the ECM if necessary.
7. How much does it cost to fix the P0223 code in a GMC Sierra?
The cost depends on the repair; replacing a throttle position sensor typically costs $150–$300, including parts and labor, while wiring repairs may vary.
8. What tools are needed to troubleshoot the P0223 code?
You’ll need an OBDII scanner, a multimeter, and basic tools for accessing and inspecting the throttle position sensor and wiring.
9. What happens if I ignore the P0223 code in my 2016 GMC Sierra?
Ignoring the code can lead to worsening throttle control issues, reduced fuel efficiency, and potential damage to other engine components.
10. Can a dirty throttle body cause the P0223 code?
Yes, a dirty or malfunctioning throttle body can affect the throttle position sensor readings and trigger the P0223 code.
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